EP0242665B1 - Dispositif pour chasser les souillures légèrement volatiles de liquides - Google Patents

Dispositif pour chasser les souillures légèrement volatiles de liquides Download PDF

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Publication number
EP0242665B1
EP0242665B1 EP87104954A EP87104954A EP0242665B1 EP 0242665 B1 EP0242665 B1 EP 0242665B1 EP 87104954 A EP87104954 A EP 87104954A EP 87104954 A EP87104954 A EP 87104954A EP 0242665 B1 EP0242665 B1 EP 0242665B1
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EP
European Patent Office
Prior art keywords
liquid
arrangement according
container
shaft
gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP87104954A
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German (de)
English (en)
Other versions
EP0242665B2 (fr
EP0242665A3 (en
EP0242665A2 (fr
Inventor
Bruno Bernhardt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IEG Industrie Engineering GmbH
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IEG Industrie Engineering GmbH
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Priority claimed from DE3625488A external-priority patent/DE3625488C2/de
Application filed by IEG Industrie Engineering GmbH filed Critical IEG Industrie Engineering GmbH
Priority to AT87104954T priority Critical patent/ATE66161T1/de
Publication of EP0242665A2 publication Critical patent/EP0242665A2/fr
Publication of EP0242665A3 publication Critical patent/EP0242665A3/de
Application granted granted Critical
Publication of EP0242665B1 publication Critical patent/EP0242665B1/fr
Publication of EP0242665B2 publication Critical patent/EP0242665B2/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/0005—Degasification of liquids with one or more auxiliary substances
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases

Definitions

  • the invention relates to an arrangement for expelling volatile impurities from liquids with the aid of gases and with the features evident from the preamble of the main claim.
  • the invention has for its object to provide an arrangement of the type mentioned, which requires both a low design effort and a low amount of energy without their effectiveness suffers.
  • outside air can simply be drawn into the air intake space as so-called stripping air, which comes into contact with the impurities, in particular chlorinated hydrocarbons, when passing through the liquid in the form of vacuum bubbles, whereby on the surface of the bubble in addition to the normal diffusion effect due to Vacuum still occurs a suction effect.
  • Interfering forces such as occur in arrangements where the liquid to be treated is moved a lot, need not be feared with the arrangement. In the entire process area, there are no overpressures due to flow or mass pressures which counteract the evaporation pressures in an undesirable manner.
  • the gas-receiving space expediently extends over the full cross-section of the container or shaft, as a result of which the liquid or the entire liquid column area in the cleaning area is influenced by the air or another gas.
  • the receiving space for the air or another gas can be designed as a nozzle body hanging on a float with a nozzle plate arranged parallel to the liquid level.
  • the interior of the air intake space can be connected to the outside air simply via a hose line.
  • the efficiency of the arrangement is surprisingly high with so little energy and such It is great that not only chlorinated hydrocarbons, but also other hydrocarbons, alcohols and benzene groups can be removed from it with contaminated groundwater. It has been shown that the air drawn into the nozzle body, when the nozzle body is open at the bottom, triggers a circulating movement of the liquid in the lower part of the container or shaft, which causes the lower liquid to rise into the gassing area of the arrangement. By throttling the air supply line, a finely adjustable increase in vacuum in the system can also be achieved. In the process, only one vacuum generator (fan) is required from the pressureless inclusion of the air bubble above the nozzle plate to the venting in the vacuum, above the water surface.
  • fan vacuum generator
  • a shaft can be formed by a borehole drilled vertically into the ground, which can be at least partially reinforced by a perforated pipe or by sieve rings.
  • Groundwater can collect in this shaft and experience has shown that it is increasingly drawn into the shaft due to the negative pressure formed in the free space of the shaft.
  • air is drawn into the shaft in the part of the shaft that is free of groundwater and through the soil that delimits the shaft, and at the same time cleaning the soil in the shaft area is achieved, the area around the shaft opening being covered extensively by an air-impermeable film.
  • the air extracted by the fan can, advantageously together with a portion of outside air, in a filter upstream or downstream of the fan, e.g. B. activated carbon filter, in which the expelled volatile contaminants are filtered out.
  • a filter upstream or downstream of the fan e.g. B. activated carbon filter
  • a container can advantageously be subdivided into a treatment chamber under the influence of the fan and into an upstream liquid collection chamber, which is connected to the treatment chamber via a shut-off downpipe.
  • Fig. 1 shows a container 10, in which the liquid to be cleaned is introduced.
  • the liquid level is designated by reference number 11.
  • the upper opening 12 of the container 10 can be closed by means of a cover 13, on which a fan 9 is arranged with its suction side above a central opening 14.
  • An air intake pipe 16 with an air filter 17 is mounted above a second opening 15 of the cover 13.
  • a float ring 18 Arranged in the interior of the container 10 is a float ring 18 which floats on the liquid introduced and on which a nozzle body in the form of a nozzle plate 20 hangs via flexible and adjustable spacers 19, for example chains.
  • the nozzle plate 20 has edges 21 which are bent downwards, so that a gas receiving space 22 can form below the nozzle plate 20, into which outside air can flow in from the cover opening 15 via a flexible hose 23.
  • Fig. 2 shows a modified embodiment of the arrangement according to Fig. 1.
  • the activated carbon filter 24 ' is placed in the upper part of the container 10' and thus on the suction side of the fan 9 attached.
  • the activated carbon filter 24 ' consists of a bag 40 filled with activated carbon, which is placed on a perforated intermediate wall 39 of the container 10', which simultaneously acts as a droplet separator. The outside air is through an inlet arranged laterally on the container 10 ' Opening 15 'passed into the hose line 23'.
  • the hose line 23 ' has in its initial part openings 38 through which a part of the inflowing air enters the space between the liquid level 11 and the perforated intermediate wall 39 and desirably reduces the degree of saturation of the air entering the activated carbon filter 24'. Otherwise, the arrangement is constructed in the same way as in the exemplary embodiment according to FIG. 1.
  • Fig. 3 shows an arrangement for cleaning groundwater.
  • a shaft 31 is drilled into the ground 30 to below the groundwater level 32 drawn in with a broken line.
  • the shaft can be reinforced in a known manner by a perforated tube 37 or by easily assembled sieve rings.
  • the nozzle body in the form of a nozzle plate 20, which is hanging from a float ring 18 and has already been described in connection with FIG. 1, is again introduced, to the underside of which a hose line 23 from the air intake pipe 16 of a cover 34 closing the shaft 31 leads.
  • a fan 9 is again arranged on the cover 34, by means of which the outside air, which is led via the hose line 23 to the nozzle plate 20, is sucked through the groundwater 33 collected in the shaft and drawn off from the shaft.
  • the formation of negative pressure in the well 31 results in an increased supply of the groundwater to the well area and there an increase in the groundwater level 32.
  • air is also sucked into the well from the earth 30 surrounding the well 31 and thus also clears the soil of volatile contaminants.
  • the area around the shaft opening 35 is largely covered by an air-impermeable film 36.
  • the fan 49 arranged on the cover 48 of the container 42 When the fan 49 arranged on the cover 48 of the container 42 is activated and creates a negative pressure in the space 50 of the container 42 located above the liquid level 45, air is drawn in through the hose line 23 into the gas-receiving space 47 below the nozzle plate 44, which emerges from the nozzle openings of the nozzle plate 44 in the form of vacuum bubbles 51 into the liquid 46 and rises to the liquid level 45.
  • the liquid level 45 is raised by the height H shown in FIG. 5 because of the formation of the gas receiving space 47 below the nozzle plate 44 in the container 42.
  • a level control for the liquid level 45 can be carried out in the container 42 by means of a float switch 51 which is only indicated schematically.
  • Fig. 6 shows an embodiment of an arrangement which is intended for the portionwise treatment of larger amounts of liquid.
  • the arrangement has a container 52 which is divided by an intermediate floor 53 into a lower treatment chamber 54 and into a liquid collection chamber 55 located above it.
  • a concentric tubular body 56 extends upward through the liquid collection chamber 55 from a central opening in the intermediate base 53 and outwards through a central opening in the roof wall 57 of the container 52.
  • the central tubular body 56 is closed at its lower end by a perforated plate 58 and ends at the top in a flange plate 59, on which the fan 60, which is only indicated schematically, is placed.
  • the interior 61 of the tubular body 56 is filled with activated carbon, thus forming a filter space for the air extracted from the lower treatment chamber 54 by means of the fan 60.
  • a gas receiving space 67 is formed by a nozzle plate 66 arranged parallel to the container bottom 65 at a distance outer pipe 68, which ends outside the container 52 in a filter basket or a throttle device 69, is connected to the outside air.
  • the outer end of the pipeline 68 lies above the liquid level 71 of the treatment chamber 54 which is level-controlled by a float switch 70. After cleaning, the liquid can flow out of the treatment chamber 54 through a lower drain line 72.
  • the liquid to be cleaned is fed into the liquid collecting space 55 via a pipeline 73 via the three-way valve 62 already mentioned or via an upper pipe connection piece 74.
  • the outer pipeline 73 can serve as a vent line and the three-way valve 62 can be omitted.
  • a separating space 76 can be formed, in which heavier liquid components settle and can be drawn off from there via a connecting piece 77.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Physical Water Treatments (AREA)

Claims (11)

1. Dispositif pour chasser les souillures légèrement volatiles de liquides à l'aide de gaz, les gaz étant aspirés par formation d'une dépression au-dessus du niveau du liquide (11 ; 32 ; 45 ; 71) à travers une plaque à buses (20 ; 44 ; 66) disposée au-dessous du niveau du liquide et à travers le liquide à traiter, caractérisé en ce que le liquide à nettoyer est conduit dans un récipient (10 ; 10'; 42 ; 52) ou puits (31) qui présente une ouverture supérieure (12 ; 35) au-dessus de laquelle un ventilateur (9 ; 49) est disposé pour formation de la dépression et pour aspiration des gaz se trouvant au-dessus du niveau du liquide (11 ; 32 ; 45 ; 71) et en ce que le réceptacle des gaz (22 ; 47 ; 67) présentant la plaque à buses (20 ; 44 ; 66) est disposé à une distance réglable du niveau du liquide (11 ; 32 ; 45 ; 71) et est relié par l'intermédiaire d'une conduite en tuyaux souples ou d'une tuyauterie (23 ; 68) à un espace de gaz extérieur.
2. Dispositif selon la revendication 1, caractérisé en ce que le liquide à nettoyer est de l'eau souterraine et les gaz de traitement sont de l'air extérieur.
3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que le réceptacle des gaz (22 ; 47 ; 67) s'étend sur toute la section du récipient (10 ; 10' ; 42 ; 52) ou puits (31).
4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que le réceptacle des gaz ou de l'air (22) est conçu comme un corps de buse suspendu à un flotteur (18) avec une plaque à buses (20) disposée parallèlement au niveau du liquide (11).
5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que le puits (31) est formé par un trou de perçage logé verticalement dans la terre (30), qui est armé au moins partiellement par un tube perforé (37) ou par des bagues de tamisage.
6. Dispositif selon la revendication 5, caractérisé en ce que le voisinage de l'ouverture du puits (35) est recouvert sur une large surface par une feuille étanche à l'air (36).
7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce qu'un filtre (24 ; 24') est disposé du côté entrée ou du côté évacuation du ventilateur (9), à travers lequel est conduit le gaz aspiré hors du récipient (10 ; 10') ou puits (31).
8. Dispositif selon la revendication 7, caractérisé en ce qu'une proportion d'air extérieur (piquage 25, ouvertures 38) est introduite en plus dans le filtre (24 ; 24').
9. Dispositif selon la revendication 7 ou 8, caractérisé en ce que le filtre (24 ; 24') est un filtre au charbon actif.
10. Dispositif selon l'une des revendications 1 à 9, caractérisé en ce que le récipient (52) est subdivisé en une chambre de traitement (54) soumise à l'action du ventilateur (60) et en une chambre de collecte du liquide (55) placée en amont, qui est reliée à la chambre de traitement (54) par l'intermédiaire d'une tuyauterie de chute (64) sectionnable.
11. Dispositif selon la revendication 10, caractérisé en ce que la chambre de traitement (54) et la chambre de collecte du liquide (55) sont disposées coaxialement superposées et la chambre de collecte du liquide (55) est traversée concentriquement par un corps de tube (56) qui conduit depuis la chambre de traitement (54) jusqu'au côté aspiration du ventilateur (60) monté sur le récipient et qui présente un remplissage de charbon actif.
EP87104954A 1986-04-22 1987-04-03 Dispositif pour chasser les souillures légèrement volatiles de liquides Expired - Lifetime EP0242665B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87104954T ATE66161T1 (de) 1986-04-22 1987-04-03 Anordnung zum austreiben leicht fluechtiger verunreinigungen aus fluessigkeiten.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3613518 1986-04-22
DE3613518 1986-04-22
DE3625488 1986-07-28
DE3625488A DE3625488C2 (de) 1986-04-22 1986-07-28 Vorrichtung zum Austreiben leicht flüchtiger Verunreinigungen aus Flüssigkeiten

Publications (4)

Publication Number Publication Date
EP0242665A2 EP0242665A2 (fr) 1987-10-28
EP0242665A3 EP0242665A3 (en) 1988-08-24
EP0242665B1 true EP0242665B1 (fr) 1991-08-14
EP0242665B2 EP0242665B2 (fr) 1994-09-21

Family

ID=25843098

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87104954A Expired - Lifetime EP0242665B2 (fr) 1986-04-22 1987-04-03 Dispositif pour chasser les souillures légèrement volatiles de liquides

Country Status (4)

Country Link
US (1) US4892688A (fr)
EP (1) EP0242665B2 (fr)
DE (1) DE3772090D1 (fr)
ES (1) ES2023839T5 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8808089U1 (fr) * 1988-06-23 1988-10-06 Ieg - Industrie-Engineering Gmbh, 7410 Reutlingen, De
DE9005565U1 (fr) * 1990-05-16 1990-07-19 Frese, Hermann, 2808 Syke, De
US5180503A (en) * 1991-05-10 1993-01-19 The Board Of Trustees Of The Leland Stanford Junior University In-situ vapor stripping for removing volatile organic compounds from groundwater
US5389267A (en) * 1991-05-10 1995-02-14 The Board Of Trustees Of The Leland Stanford Junior University In-situ vapor stripping for removing volatile organic compounds from groundwater
DE4129511C3 (de) * 1991-09-05 2000-06-29 Zueblin Ag Vorrichtung zum Reinigen von Grundwasser durch Strippen mit einem Gas, insbesondere Luft
US5302286A (en) * 1992-03-17 1994-04-12 The Board Of Trustees Of The Leland Stanford Junior University Method and apparatus for in situ groundwater remediation
US5439594A (en) * 1993-06-23 1995-08-08 Geraghty & Miller, Inc. Method for subsurface vapor extraction
US5622450A (en) * 1995-03-24 1997-04-22 Grant, Jr.; Richard P. Pressure extraction process for removing soil and groundwater contaminants
US6143177A (en) * 1995-04-11 2000-11-07 Arcadis Geraghty & Miller, Inc. Engineered in situ anaerobic reactive zones
US6007274A (en) 1997-05-19 1999-12-28 Arcadis Geraghty & Miller In-well air stripping, oxidation, and adsorption
US6116816A (en) 1998-08-26 2000-09-12 Arcadis Geraghty & Miller, Inc. In situ reactive gate for groundwater remediation
AR074096A1 (es) * 2009-11-10 2010-12-22 Bortolussi Osvaldo Daniel Dispositivo ecologico/optimizador de combustible para motores de combustion interna que incrementa una masa de aire humedo que ingresa a dicho motor ya sea por succion de vacio o por aspiracion normal
US8413966B1 (en) * 2012-01-19 2013-04-09 Bader Shafaqa Al-Anzi Water aeration system using renewable energy source
ES2751649T3 (es) 2014-04-23 2020-04-01 Univ Degli Studi Roma La Sapienza Procedimiento de limpieza de aguas contaminadas por disolventes clorados, nitratos y sulfatos
US11643339B2 (en) * 2017-12-08 2023-05-09 Eminus, Llc Enchanced system and method for treatment of soil and groundwater contaminated with PFAS

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1305944A (en) * 1919-06-03 Humidifier apparatus
US695125A (en) * 1900-11-10 1902-03-11 Henry Sue Apparatus for charging liquids with carbonic-acid gas.
US744877A (en) * 1903-04-15 1903-11-24 Elijah D Parrott Carbureter.
US828494A (en) * 1905-11-20 1906-08-14 A N Rodgers Combined water-heater and smoke-consumer.
US1708587A (en) * 1927-05-12 1929-04-09 Patterson Thomas Shaffer Air washer
US3193260A (en) * 1961-03-13 1965-07-06 Charles M Lamb Apparatus for aerating and eliminating ice on water
DE1642494A1 (de) * 1967-10-12 1972-02-17 Maerkische Steinkohlengewerksc Verfahren und Vorrichtung zum Entfernen von in Wasser geloestem Sauerstoff,insbesondere im Zuge der Speisewasseraufbereitung
US3498029A (en) * 1967-10-16 1970-03-03 Louis Feuersanger Fuel feed system
US4045336A (en) * 1974-08-23 1977-08-30 Pauli Henrik Isteri Method and device for oxygenating water with vibrations and under pressure strokes
DE2522324A1 (de) * 1975-05-20 1976-12-02 Koolaj Gazipari Tervezo Verfahren und vorrichtungen zum materialaustausch in gas/fluessigkeits- systemen im gegenstrom
US4116488A (en) * 1976-09-20 1978-09-26 Kennecott Copper Corporation In-situ mining method and apparatus
JPS55500508A (fr) * 1978-04-06 1980-08-14
US4365978A (en) * 1980-03-25 1982-12-28 Shell Oil Company Storage of liquid hydrocarbons in salt dome caverns
DE3501175A1 (de) * 1985-01-16 1986-07-17 Franz-Josef Dipl.-Ing. 4791 Lichtenau Damann Verfahren und vorrichtung zur mischung und loesung von gas in fluessigkeit
US4624626A (en) * 1985-03-08 1986-11-25 Sherfinski & Raasch Water Systems, Inc. Venturi odor dissipator

Also Published As

Publication number Publication date
ES2023839B3 (es) 1992-02-16
DE3772090D1 (de) 1991-09-19
EP0242665B2 (fr) 1994-09-21
EP0242665A3 (en) 1988-08-24
US4892688A (en) 1990-01-09
EP0242665A2 (fr) 1987-10-28
ES2023839T5 (es) 1995-08-16

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